simple plumbing question

Old 06-06-07, 06:43 AM
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simple plumbing question

New to plumbing. Trying to replace old plumbing pipes beneath kitchen sink. I bought a couple of kits and feel that I have a good configuration with a t connecting both sink drains and a s fitting going into drain pipe. Keeping in mind these are the plastic pipes with slip washers that come in kit, why am I still getting leaks in the connections. I have tightened all nuts good and snug. I have fitted all plastic washers over ends of pipes, but am not sure I put washers in right direction. does anyone have any good hints as far as all these plastic connections for a novice. Seems like it should be simple, but have tried turning these washers every way and seem to be not having a lot of luck. any help is appreciated. thanks
Old 06-06-07, 08:54 AM
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Make sure the narrow end of the washer is facing away from the nut. All connections with plastic pipes need to be threaded correctly, lined up properly and hand tight. Using a wrench can cause leaks also.
Old 06-06-07, 11:02 AM
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ensure the pipes are fully inserted into the connections. Each pipe should slide into the other at least an inch or so. If you have turned the washer around and tightened them already, you may want to replace the washers as you most likely have damaged them. Narrow end towards the thread side of connector, wide end towards the nut. This causes the washer to form a wedge as the nut is tightened down and seal the connection. As stated, don't overtighten...hand tight is all it should take.

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